Graph the circles whose equations are given in Exercises 24–26. Label each circle’s center and intercepts (if any) with their coordinate pairs. 24. x2 + y2 + 4x - 4y + 4 = 0 25. x2 + y2 - 3y - 4 = 0 26. x2 + y2 - 4x + 4y = 0

Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter10: Analytic Geometry
Section10.4: Analytic Proofs
Problem 28E
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Graph the circles whose equations are given in Exercises 24–26. Label each circle’s center and intercepts (if any) with their coordinate pairs.

24. x2 + y2 + 4x - 4y + 4 = 0

25. x2 + y2 - 3y - 4 = 0

26. x2 + y2 - 4x + 4y = 0

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